Build my profileBuild my profile

Cosmetic ingredient dictionary

PEG-8 in cosmetics: what it is and what it does

PEG-8 is a cosmetic ingredient that holds water in the skin or the product. Open Beauty Facts finds it in 251 products, most often toothpastes.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does PEG-8 do in a product?

In a cosmetic product, PEG-8 holds water in the skin or the product and dissolves other ingredients. The EU’s CosIng database lists these jobs for it: humectant and solvent.

humectantsolvent

What other names and numbers does PEG-8 have?

CAS number
5117-19-1, 25322-68-3 (generic)
EC number
225-856-4
CosIng reference
77303

Which products contain PEG-8?

Open Beauty Facts finds PEG-8 in the ingredient lists of 251 of the 22,021 products it has a list for, most often toothpastes, face care and deodorants.

  • Toothpastes34
  • Face care13
  • Deodorants11

Products with it, by country of sale: France 83 · United States 30 · Spain 18 · Germany 17.

Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where PEG-8 turns up, not how much of the market it is.

On these listsHumectants

Bravoora reads this ingredient for everyone you shop for: an allergy or intolerance, a vegan or vegetarian diet, a calorie or protein goal, and the labels on supplements and skincare too. Build a profile · For dermatologists, dietitians and doctors

Sources

The job, the description and the EU annex entry are CosIng’s; the fragrance allergens are the EU Annex III names Bravoora’s label checker reads; the product counts are Open Beauty Facts’.

  1. European Commission: CosIng cosmetic ingredient database (functions, description, EU annex entry)
  2. Open Beauty Facts: product database, 77,506 products, read 13 October 2026, ODbL

Contains information from Open Beauty Facts, which is made available here under the Open Database License (ODbL). Read the licence · Download this dictionary’s data · How we check

Create a website profile with the things you avoid and the people you check for.

Build my profile

Save and edit your profile on this website. App transfer is not available yet.